Related Questions

The 'transition temperature' for ductile to brittle behaviour of steel increases with increase in the __________ content in steel.
A Carbon
B Manganese
C Both A & B
D Neither A nor B
If a shaft made from ductile material is subjected to combined bending and twisting moment, calculations based on which one of the following failure theories will give the most conservative value?
A Maximum principal stress theory
B Maximum shear stress theory
C Maximum strain energy theory
D Maximum distortion energy theory
Out of the following, the most ductile material is
A Mild steel
B Copper
C Nickel
D Aluminium
A material is called 'ductile', if it can be
A Drawn into wires
B Hammered to a thin sheet
C Fractured without deformation
D Made lustrous by heating it
In compression, a prism of brittle material will break
A By forming a bulge
B By shearing along oblique plane
C In direction perpendicular to application of load
D By crushing into thousands of pieces
Materials having __________ lattice structure are usually the most ductile.
A Body centred cubic (bcc)
B Hexagonal close packed (hcp)
C Face centred cubic (fcc)
D None of these
Materials having __________ lattice structure are usually most ductile.
A F.c.c.
B B.c.c.
C H.c.p.
D Cubic
Antonym of DUCTILE is-
A Docile
B Pliable
C Stiff
D Supple
DUCTILE
A DOCILE
B PLIABLE
C STFF
D SUPPLE
Plastic flow in ductile materials
A Increases the seriousness of static loading stress concentration
B Lessens the seriousness of static loading stress concentration
C Has no effect on it
D Depends on other considerations

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